mirror of https://github.com/zulip/zulip.git
65 lines
1.9 KiB
TypeScript
65 lines
1.9 KiB
TypeScript
import $ from "jquery";
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// Add functions to this that have no non-trivial
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// dependencies other than jQuery.
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export function change_tab_to(tabname: string): void {
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$(`#gear-menu a[href="${CSS.escape(tabname)}"]`).tab("show");
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}
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// https://stackoverflow.com/questions/4233265/contenteditable-set-caret-at-the-end-of-the-text-cross-browser
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export function place_caret_at_end(el: HTMLElement): void {
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el.focus();
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const range = document.createRange();
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range.selectNodeContents(el);
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range.collapse(false);
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const sel = window.getSelection();
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sel?.removeAllRanges();
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sel?.addRange(range);
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}
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export function blur_active_element(): void {
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// this blurs anything that may perhaps be actively focused on.
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if (document.activeElement instanceof HTMLElement) {
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document.activeElement.blur();
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}
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}
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export function convert_enter_to_click(e: JQuery.KeyDownEvent): void {
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if (e.key === "Enter") {
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e.preventDefault();
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e.stopPropagation();
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$(e.currentTarget).trigger("click");
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}
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}
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export function update_unread_count_in_dom(unread_count_elem: JQuery, count: number): void {
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// This function is used to update unread count in top left corner
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// elements.
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const unread_count_span = unread_count_elem.find(".unread_count");
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if (count === 0) {
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unread_count_span.hide();
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unread_count_span.text("");
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return;
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}
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unread_count_span.show();
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unread_count_span.text(count);
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}
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/**
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* Parse HTML and return a DocumentFragment.
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*
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* Like any consumer of HTML, this function must only be given input
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* from trusted producers of safe HTML, such as auto-escaping
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* templates; violating this expectation will introduce bugs that are
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* likely to be security vulnerabilities.
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*/
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export function parse_html(html: string): DocumentFragment {
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const template = document.createElement("template");
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template.innerHTML = html;
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return template.content;
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}
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